. >> reporter: could keep them away from seattle city hall on this glorious days. after a lifetime of waiting to wed legally. the smiles and the tears came easily. >> i now pronounce you married. >> reporter: we asked bride karen swanson about the import of this day. >> it was important for me to get married today. 18 years later. >> reporter: these couples, five at a time were ushered in and out to say their wedding vows. also basking in the glow of this historic day, seattle mayor, mike mcginn who agreed to turn city hall into a wedding chapel. >> it's a symbol across the country, even across the world about what it means to treat people with equality. >> reporter: then there was a final walk down the city hall steps. a legally married couple at last. >> and that was debra horn reporting. washington was one of three states to legalize same-sex marriage during the past election. >>> another big change is underway in the state of washington. coming up in just 17 minutes, how business owners are hoping to take advantage of a new law legalizing marijuana, and not jus